#!/usr/bin/env python
#-*- coding:utf-8 -*-

import jieba

def main(filename):
    with open(filename, 'r', encoding='utf-8') as fp:
        content = fp.read()
    ls = jieba.lcut(content)
    res = {}
    for word in ls:
        if len(word)>2:
            res[word] = res.get(word,0)+1
    items = [(v,k) for k,v in res.items()]
    items.sort(reverse=True)
    print(items[0][1])

if __name__ == '__main__':
    import os
    main(os.path.dirname(__file__)+'/沉默的羔羊.txt')